GB148972A - Sending device for subaqueous sound signals - Google Patents
Sending device for subaqueous sound signalsInfo
- Publication number
- GB148972A GB148972A GB20832/20A GB2083220A GB148972A GB 148972 A GB148972 A GB 148972A GB 20832/20 A GB20832/20 A GB 20832/20A GB 2083220 A GB2083220 A GB 2083220A GB 148972 A GB148972 A GB 148972A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- masses
- mass
- sending device
- sound signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
148,972. Signal Ges. Feb. 6, 1915, [Convention date]. Subaqueous audible signals.-Osscillations are communicated to a radiating-member B, such as a diaphragm or part of a ship's hull, by a system of two masses G<1>, G<2> connected by one or more longitudinally vibrating rods or tubes E. The exciting agent may be an alternating-current magnet M, and one or both of the masses G<1>, G<2> may form part of the magnetic system, but mechanical excitation may also be employed. By making the mass G<2> large compared with G<1>, the amplitude of oscillation is greater at the point of excitation than at the diaphragm B. The mass G<2> may be connected direct to the diaphragm B, or may be more or less loosely coupled, for example by means of a transverse spring, or by means of an elastic red K. If it is desired to introduce additional damping, the rod K may be made of some material, such as lead, having large internal friction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE148972X | 1915-02-06 | ||
| DE155569X | 1919-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB148972A true GB148972A (en) | 1921-11-10 |
Family
ID=25752349
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20832/20A Expired GB148972A (en) | 1915-02-06 | 1920-07-10 | Sending device for subaqueous sound signals |
| GB30642/20A Expired GB155569A (en) | 1915-02-06 | 1920-10-29 | Improvements in vibratory devices for subaqueous sound signalling apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30642/20A Expired GB155569A (en) | 1915-02-06 | 1920-10-29 | Improvements in vibratory devices for subaqueous sound signalling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB148972A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2443177A (en) * | 1944-02-28 | 1948-06-15 | Submarine Signal Co | Submarine signaling apparatus |
| US3018465A (en) * | 1954-05-04 | 1962-01-23 | Harris Transducer Corp | Compliant acoustic radiating means |
-
1920
- 1920-07-10 GB GB20832/20A patent/GB148972A/en not_active Expired
- 1920-10-29 GB GB30642/20A patent/GB155569A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB155569A (en) | 1922-02-28 |
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